models · moonshot-ai

Kimi K2-Thinking-0905

Moonshot AI Kimi K2-Thinking September 2025 checkpoint. 1000B MoE. Arena 941. GPQA Diamond 84.5%, AIME 100%. Extended thinking mode.

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What this registry has checked

Quarantine. We hold the publisher’s own published hash for these weights and have recorded it against this entry. We have not downloaded and hashed the weights ourselves, so the hash is the publisher’s claim, not our measurement.

Weight file SHA-256	80c63c55e5fb028f0643184aab0b9226110c71d48355a6f2e7bd6d10afca7485
Method	hf-published-sha256

Re-check this yourself → Source → Full record →

What is recorded

Publisher	moonshot-ai
Origin	Recorded as a covered nation under 10 U.S.C. § 4872(f) — the PRC, Russia, Iran or North Korea. The registry did not record which.
Licence	Kimi-Open
Publisher’s own licence statement	other
Parameters	1,026,408,235,864 (1026.4B)
Context window	128K
Architecture	kimi_k2
Layers	61
Hidden size	7168
Attention	MLA (64 heads, 64 KV)
Native precision	F8_E4M3
Pulls recorded here	190,017
Downloads reported upstream	188,416

Reported scores

GPQA Diamond	84.5

Reported by a third party and recorded here, not re-run by us.

Elsewhere in the registry

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Registry record as of 2026-06-11. Identity, licence and parameter count are properties of a release and do not move; tier can, and the verify link above re-checks it against the live registry rather than this page.